Title:
BATTERY STRUCTURE
Document Type and Number:
WIPO Patent Application WO/2021/196033
Kind Code:
A1
Abstract:
A battery structure, comprising a housing, a battery cell module, a heat shrinkable film, a first buffer layer, a second buffer layer and a glue layer. The housing comprises an upper cover, a lower cover, and side plates connecting the upper cover and the lower cover. The upper cover, the lower cover and the side plates are enclosed to form an accommodating cavity, and the lower cover is provided with a pressure relief groove that communicates with the accommodating cavity. The battery cell module is accommodated in the accommodating cavity; and the heat shrinkable film covers the battery cell module, and the heat shrinkable film is provided with a first through hole corresponding to the pressure relief groove. The first buffer layer is located between the heat shrinkable film and the lower cover, the first buffer layer is provided with a second through hole, and the second through hole communicates with the first through hole and the pressure relief groove. The second buffer layer surrounds the battery cell module and is located between the heat shrinkable film and the side plates. The glue layer is poured between the housing and the second buffer layer. The battery structure facilitates disassembly and exhaust, thus helping to prolong the service life.
Inventors:
ZENG CHAOYONG (CN)
Application Number:
PCT/CN2020/082601
Publication Date:
October 07, 2021
Filing Date:
March 31, 2020
Export Citation:
Assignee:
DONGGUAN POWERAMP TECHNLOGY LTD (CN)
International Classes:
H01M2/02
Foreign References:
| CN109860455A | 2019-06-07 | |||
| CN209016149U | 2019-06-21 | |||
| CN209232841U | 2019-08-09 | |||
| JP2003017020A | 2003-01-17 | |||
| US20150270515A1 | 2015-09-24 |
Attorney, Agent or Firm:
SHENZHEN SCIENBIZIP INTELLECTUAL PROPERTY AGENCY CO., LTD. (CN)
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